Simple Integration of Cavity-Backed Antenna with Patch Antenna for Developing Hybrid Antenna Using SIW Technology

Table 1

A comparison with previously published papers.

Prop.	Thickness	Gain (dBi)	BW (%)	FTBR (dB)		Band and feed
[25]	0.02	5.5/5.5	1.8/2.1	20.8/18.1	2.22	ML
[26]	0.03	5.3/4.3	2.02/1.52	14/16	2.22	X, Ku; ML
[27]	0.07	4.9/6.1	1.4/5.9	18/18	2.2	SIW, ML
[28]	0.02	5.4	1.7	16.1	2.2	X; ML
[38]	0.02	4.5/4.9/6.1	2.0/1.9/1.7	14	2.2	C; 3-ML
[37]	0.05	5.6/5.9	1.9/3.7	16.9	2.2	X, Ku; ML
[32]	0.03	5.15/5.5	NM	>10	2.22	C; ML
[33]	0.03	4.8/5.7	NM	20	2.22	S; ML
[34]	0.13	4.9/5.3	1.9/5.3	25.6/24	3.55	S, C; ML
[prop.]	0.05	6.45	3.46	23.3	3.55	Ku; ML